Replacing The Power Supply On The Cisco 3900 Series Routers - Cisco 2900 series Installation Manual
2900/3900 series
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- Installation manual (222 pages) ,
- Datasheet (16 pages) ,
- Manual (111 pages)
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Replacing Power Supplies and Redundant Power Supplies
Figure 5-30
Cisco 2921 and 2951 Power Supply Components
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1
3
5
Replacing the Power Supply on the Cisco 3900 Series Routers
Step 1
Read the
perform any module replacement.
Cisco 2900 Series and 3900 Series Hardware Installation Guide
5-38
2
3
C is co 29
00 Se rie
s
SY S
AC T
SY S
AU X
PW R1
SY S
AU X
PW R1
PW R2
PW R2
Fan tray and bezel assembly
Power supply fastening screws (2)
RPS or secondary power supply fastening
screws (2)
"Safety Warnings" section on page 5-2
Chapter 5
Installing and Upgrading Internal Modules and FRUs
4
5
2
Power supply
4
(Optional) RPS adapter
section and disconnect the power supply before you
5
OL-18712-03
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